condition mean min max 4 h after light 3.9591849999999997 3.87924 4.03913 8 h after light 4.297295 3.90912 4.68547 12 h after light 5.230395 4.68106 5.77973 4 h after dark 6.2976 5.60285 7.43498 8 h after dark 6.024306666666667 5.17279 6.74935 12 h after dark 5.1962866666666665 4.89321 5.49357